1418540 has 24 divisors (see below), whose sum is σ = 3136560. Its totient is φ = 537408.

The previous prime is 1418513. The next prime is 1418551. The reversal of 1418540 is 458141.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1487 + ... + 2246.

It is an arithmetic number, because the mean of its divisors is an integer number (130690).

2^1418540 is an apocalyptic number.

1418540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1418540 is an abundant number, since it is smaller than the sum of its proper divisors (1718020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1418540 is a wasteful number, since it uses less digits than its factorization.

1418540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3761 (or 3759 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1418540 is about 1191.0247688440. The cubic root of 1418540 is about 112.3605514989.

It can be divided in two parts, 14 and 18540, that multiplied together give a triangular number (259560 = T₇₂₀).

The spelling of 1418540 in words is "one million, four hundred eighteen thousand, five hundred forty".